Grinding Cup Wheel

Grinding Cup Wheel

Grinding cup wheel is a variant of the grinding wheel that is used for the proper finishing of an end product. This is one of the ideal tools that is used in case of aggressive beveling of the glass. The tool functions better than the grinding wheel and outperforms the alkoxide and silicon carbide composition in the grinding wheels. A grinding cup wheel is fitted into an angle grinder and results in faster and effective grinding. It is generally available in coarse and medium grit sizes and shapes and is used more in the case for glass.

They are called Cup Wheels, as the shape is like a cup and there are two types of the same. One is straight and the other is tapper type Cup Wheels. These cups have a back wall and circular side wall. These walls especially the side wall is used to grind the job. Although, both the walls are of a specific thickness, but can be made on special request and requirement of the consumer.

Thicker walls are generally for more material removal, while thinner walls are used for fine grinding. Industries like automotive leaf spring manufacturing, blades manufacturing use the cup wheels, apart from various other manufacturing sectors which require additional radial grinding surface.

They function with their faces in general for surface grinding & sharpening of tools like a paper cutter, circular tools, etc.

One more abrasive without a round shape comes by the name of the segment.


NORTON Gear Grinding Wheels

Grinding Cup Wheel Specification

There are certain specifications need to follow in case of grinding cup wheels such as :

  • Never initiating grinding in the outside of a cup wheel

  • If a wheel looks bumped or damaged then it should be discarded.

  • Working with the grinding wheels

The manufacturing methods of the grinding cup wheel

The grinding cup wheel manufacturing follows two steps:

  • the hot pressing and

  • the second is the cold pressing.

In the hot pressing process, the diamond segments sinter in molds. Then under certain pressure into the press machine. These are fixed into the diamond segments onto the grinding wheels using

  • high-frequency welding,

  • laser welding

  • and mechanical mosaic method.

In the cold pressing method, you first have to press the working layer. Next, go ahead to press the transitive layer of the diamond segments onto the grinding wheel body. Then connect the segments with the help of the wheel’s body teeth. These segments are then sintered onto the furnaces so that they can be sintered without a press.

The cup-shaped grinding wheels (installed on the concrete grinders) are useful to grind the abrasive building materials such as

  • Concrete,
  • Granite,
  • Marble Etc.

Uses of Grinding Cup Wheels

Grinding Cup wheel is used in tool and cutter grinders were having an additional radial grinding surface is beneficial. In cup grinding, a very shallow cup type grinding is done in slots and crevices is used in generally cutter grinding and also jig grinding. Critical parameters required are the fast cut-rate, smooth vibration-free running and the better life.

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